Fix CI setup

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
         include:
           # Also test with SQLALchemy >=1.4, <2
           - python-version: 3.12
-          - sqla-version: "~=1.4"
+            sqla-version: "~=1.4"
 
     steps:
     - uses: actions/checkout@v4
@@ -32,7 +32,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        python -m pip install setuptools pytest sqlalchemy{{ matrix.sqla-version }}
+        python -m pip install setuptools pytest sqlalchemy${{ matrix.sqla-version }}
 
     - name: Build package
       run: |